MESON Chess Problem Database
Problem Display
PID: 51019 (6N1/3B4/3NpR2/3k4/R2b1B2/8/2K5/8 w - - 0 1)
McKean, JS
Wharfedale and Airedale Observer, 1888
#2
7 + 3
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Se7#
- 1...Bc5
- Tries
- 1.Sb7?
- 1...Ke4
- 2.Bc6#
- 1...Bxf6
- 2.Sxf6#
- 1...Ba1
- 2.Se7#
- 1...Bg1
- 2.Se7#
- 1...Bb2
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Bc3
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Be5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Ba7
- 2.Se7#
- 1...e5
- 2.Bc6#
- 1...Bc5!
- 1...Ke4
- 1.Rc4?
- threat
- 2.Se7#
- 2.Bc6#
- 2.Bxe6#
- 1...Bxf6
- 2.Sxf6#
- 2.Bc6#
- 1...Bc5
- 2.Se7#
- 1...e5
- 2.Se7#
- 2.Bc6#
- 1...Be5!
- threat
- 1.Sb7?
- Keys
- 1.Se4!
- 1...Kxe4
- 2.Bc6#
- 1...Bxf6
- 2.Sgxf6#
- 1...Ba1
- 2.Se7#
- 1...Bg1
- 2.Se7#
- 1...Bb2
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Bc3
- 2.Se7#
- 1...Be3
- 2.Se7#
- 1...Bc5
- 2.Sc3#
- 1...Be5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Ba7
- 2.Se7#
- 1...e5
- 2.Bc6#
- 1...Kxe4
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- B(a);SBLOCK::S(G)
- Tries
- Try
- S(D);
- Vars
- K(b);P_SPINB(a),S_FLIGHT::B(F)
- B(a);XR(E)::S(G),XB(a)
- B(a);::S(G)
- P(c);::B(F)
- Refutation
- B(a);
- Try
- R(B);
- Threat
- DUALS(3)
- Vars
- B(a);::S(G)
- Refutation
- B(a);
- Try
- Actual
- S(D);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(D)::B(F)
- B(a);XR(E)::S(G),XB(a)
- B(a);::S(G)
- B(a);N_GUARD,SBLOCK::S(D)
- P(c);::B(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).